SMR.INTEL
OKLOAurora+15MW.SMRSMRVOYGR+77MW.NuScaleNNENano Nuclear+Micro.ReactorLTBRLightbridge+Fuel.TechLEUCentrus+HALEU.ProdCCJCameco+Uranium.SupplyUECUranium Energy+U3O8.MiningCEGConstellation+TMI.RestartGEVGE Vernova+BWRX-300BWXBWXT+TRISO.FuelFUND.YTD2025-26$2.5B+.Raised

Reactor Database

The definitive database of every SMR and advanced reactor in development or production. Output, coolant, fuel type, NRC status, and deployment timelines.

Last updated: March 22, 2026 · 32 reactors tracked

Reactor ↕Developer ↕Type ↕MWe ↓CoolantFuelNRC Status ↕Target Date
Rolls-Royce SMRRolls-Royce SMR Ltdpwr470Light water——
Westinghouse LFRWestinghouse Electriclfr450Lead——
NatriumTerraPowersfr345Liquid sodium——
AP300Westinghouse Electricpwr330Light water——
BWRX-300GE Hitachi / GE Vernovabwr300Light water——
SMR-300Holtec Internationalpwr300Light water——
SSR-WMoltex Energymsr300Molten salt——
ThorCon MSRThorConmsr250Molten salt——
HTR-PMCNNC / Tsinghua Universityhtgr210Helium——
LFR-AS-200Newcleolfr200Lead——
IMSRTerrestrial Energymsr195Fluoride molten salt——
i-SMRKHNPpwr170Light water——
Linglong One / ACP100CNNCpwr125Light water——
SMART100KAERIpwr100Light water——
ARC-100ARC Clean Technologysfr100Liquid sodium——
Xe-100X-energyhtgr80Helium——
VOYGRNuScale Powerpwr77Light water——
KP-FHRKairos Powerfhr75FLiBe molten salt——
SEALERBlykallalfr55Lead——
RITM-200Rosatompwr55Light water——
KLT-40SRosatompwr35Light water——
Copenhagen Atomics MSRCopenhagen Atomicsmsr30Heavy water moderated molten salt——
PWR-20Last Energypwr20Light water——
Aurora PowerhouseOklo Inc.sfr15Liquid sodium——
Micro Modular Reactor (MMR)Ultra Safe Nuclearhtgr5Helium——
eVinciWestinghouse Electricmicroreactor5Heat pipe——
PWR-5Last Energypwr5Light water——
KaleidosRadiant Industriesmicroreactor1Helium——
KRONOSNano Nuclear Energyhtgr1Helium——
HermesKairos PowerfhrDemoFLiBe molten salt——
MCSFRElysium IndustriesmsrDemoMolten chloride salt——
BANRBWX TechnologiesmicroreactorDemo———